""ET TROJAN Win32/Trickbot Data Exfiltration M4""

SID: 2035358

Revision: 2

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_03_01, deployment Perimeter, malware_family TrickBot, signature_severity Major, updated_at 2023_05_19

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "POST"

  • Value: "|0d 0a|Content|2d|Disposition|3a 20|form|2d|data|3b 20|name|3d 22|formdata|22 0d 0a 0d 0a 7b|"

  • Value: "|0d 0a|Content|2d|Disposition|3a 20|form|2d|data|3b 20|name|3d 22|billinfo|22 0d 0a 0d 0a 7b|"

  • Value: "|0d 0a|Content|2d|Disposition|3a 20|form|2d|data|3b 20|name|3d 22|cardinfo|22 0d 0a 0d 0a 7b|"

  • Value: "Content-Type|3a 20|multipart/form-data|3b 20|boundary=---------"

Within:

PCRE: "/^Content-Type|3a 20|multipart/form-data|3b 20|boundary=---------[A-Z]\x0d\x0a/Hmi"

Special Options:

  • http_method

  • http_client_body

  • http_client_body

  • http_client_body

  • http_header

source